# SDR CALA2024110501022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2024
- Submitted: November 5, 2024
- Operation: Air carrier
- Aircraft: [N41140](https://openairdocs.org/aircraft/N41140), registered now
- Make and model: Boeing 757224
- Aircraft serial: 30353
- Aircraft time: 92,521 hours, 19,438 cycles
- Engine: Rroyce RB211535E4B3
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: RB211535E4B3743E
- Part serial: 31805
- Condition: Faulty
- Location: Eng 2
- Part time: 63,904 hours, 15,095 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024110501022

## Discrepancy

DURING INCOMING INSPECTION AND DISASSEMBLY OF ENGINE ESN 31805, SASAI HAS DISCOVERED A HOLE IN THE OUTER CASE OF THE 04 MODULE.  PICTURES HAVE BEEN UPLOADED TO EXOSTAR UNDER THE INVESTIGATIONS-UNIQUE EVENTS FOLDER. THE HOLE/DAMAGE DENOTED ON THE OUTER CASE IS APPROXIMATELY 2 INCHES LONG WITH A LIFT ON 1/8€? THE DAMAGE TO THE HPT SEAL SEGMENTS, WHICH IS LOCATED DIRECTLY OPPOSITE OF THE HOLE IN THE OUTER CASE IS 1 INCH LENGTH X 3/4 INCH WIDTH.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.